JP2005500738A5 - - Google Patents
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- Publication number
- JP2005500738A5 JP2005500738A5 JP2003521523A JP2003521523A JP2005500738A5 JP 2005500738 A5 JP2005500738 A5 JP 2005500738A5 JP 2003521523 A JP2003521523 A JP 2003521523A JP 2003521523 A JP2003521523 A JP 2003521523A JP 2005500738 A5 JP2005500738 A5 JP 2005500738A5
- Authority
- JP
- Japan
- Prior art keywords
- gain
- signal
- low level
- controller
- phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000010363 phase shift Effects 0.000 claims 8
- 238000000034 method Methods 0.000 claims 3
- 230000007423 decrease Effects 0.000 claims 2
- 238000005259 measurement Methods 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31135801P | 2001-08-13 | 2001-08-13 | |
| US10/016,691 US6614298B2 (en) | 2001-08-13 | 2001-12-17 | Apparatus and method for controlling adaptive circuits |
| PCT/US2002/025557 WO2003017553A2 (en) | 2001-08-13 | 2002-08-12 | Apparatus and method for controlling adaptive circuits |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005500738A JP2005500738A (ja) | 2005-01-06 |
| JP2005500738A5 true JP2005500738A5 (enExample) | 2006-01-05 |
| JP4148892B2 JP4148892B2 (ja) | 2008-09-10 |
Family
ID=26688951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003521523A Expired - Fee Related JP4148892B2 (ja) | 2001-08-13 | 2002-08-12 | フィードフォワード増幅器およびフィードフォワード増幅器制御方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (3) | US6614298B2 (enExample) |
| EP (1) | EP1476942A4 (enExample) |
| JP (1) | JP4148892B2 (enExample) |
| AU (1) | AU2002323115B2 (enExample) |
| CA (1) | CA2495113A1 (enExample) |
| MX (1) | MXPA04001433A (enExample) |
| WO (1) | WO2003017553A2 (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6614298B2 (en) | 2001-08-13 | 2003-09-02 | Soma Networks, Inc. | Apparatus and method for controlling adaptive circuits |
| US6771125B2 (en) * | 2002-03-01 | 2004-08-03 | Andrew Corporation | Tuning feed-forward amplifiers and the like |
| US7110739B2 (en) * | 2003-04-10 | 2006-09-19 | Powerwave Technologies, Inc. | Multi-transmitter communication system employing anti-phase pilot signals |
| US7656931B2 (en) | 2003-12-31 | 2010-02-02 | Ut-Battelle, Llc | Hybrid spread spectrum radio system |
| US7038541B2 (en) * | 2004-05-28 | 2006-05-02 | Andrew Corporation | Adaptive feed-forward amplifiers and the like |
| KR101158153B1 (ko) * | 2004-09-09 | 2012-06-19 | 에이저 시스템즈 인크 | 다중 안테나 통신 시스템에서의 데이터 전송 방법, 다중 안테나 통신 시스템의 송신기, 다중 안테나 통신 시스템에서의 데이터 수신 방법 및 다중 안테나 통신 시스템의 수신기 |
| US9369771B2 (en) | 2007-12-18 | 2016-06-14 | Thomson Licensing | Apparatus and method for file size estimation over broadcast networks |
| WO2009102581A1 (en) * | 2008-02-11 | 2009-08-20 | Qualcomm Mems Technologies, Inc. | Impedance sensing to determine pixel state in a passively addressed display array |
| US20090201282A1 (en) * | 2008-02-11 | 2009-08-13 | Qualcomm Mems Technologies, Inc | Methods of tuning interferometric modulator displays |
| US8258800B2 (en) * | 2008-02-11 | 2012-09-04 | Qualcomm Mems Technologies, Inc. | Methods for measurement and characterization of interferometric modulators |
| WO2009102622A2 (en) * | 2008-02-11 | 2009-08-20 | Qualcomm Mems Technologies, Inc. | Methods for measurement and characterization of interferometric modulators |
| EP2252991A1 (en) * | 2008-02-11 | 2010-11-24 | QUALCOMM MEMS Technologies, Inc. | Method and apparatus for sensing, measurement or characterization of display elements integrated with the display drive scheme, and system and applications using the same |
| US9331513B2 (en) * | 2008-04-11 | 2016-05-03 | Apple Inc. | Adaptive surface concentration battery charging |
| US9893682B2 (en) * | 2015-06-30 | 2018-02-13 | Skyworks Solutions, Inc. | Amplifier linearization in a radio frequency system |
| US9899966B2 (en) * | 2016-06-16 | 2018-02-20 | Bae Systems Information And Electronic Systems Integration Inc. | Wideband high dynamic range low noise amplifier |
| US11997363B2 (en) * | 2021-04-14 | 2024-05-28 | Charter Communications Operating, Llc | Regenerative active distributed networks |
| US11917260B2 (en) | 2022-03-15 | 2024-02-27 | Charter Communications Operating, Llc | Transparent clock functionality in regenerative taps |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1231234A (en) * | 1916-05-18 | 1917-06-26 | Ogle Construction Company | Hoist mechanism. |
| US3471798A (en) | 1967-12-26 | 1969-10-07 | Bell Telephone Labor Inc | Feed-forward amplifier |
| US3649927A (en) | 1970-02-27 | 1972-03-14 | Bell Telephone Labor Inc | Feed-fordward amplifier |
| US5093668A (en) | 1989-06-29 | 1992-03-03 | Ball Corporation | Multiple-beam array antenna |
| CA2046413C (en) | 1990-07-11 | 1994-01-04 | Shoichi Narahashi | Feed-forward amplifier |
| JPH06154984A (ja) * | 1992-11-27 | 1994-06-03 | Hanano Shoji Kk | 金型鋳造用粉末塗型剤のスプレー方法 |
| BR9307635A (pt) * | 1992-12-15 | 1999-08-31 | British Tech Group | Método e aparelho para o processamento de sinal utilizando sinais de referência |
| US5386198A (en) * | 1993-01-28 | 1995-01-31 | Telefonaktiebolaget L M Ericsson | Linear amplifier control |
| US5491454A (en) | 1994-10-31 | 1996-02-13 | Motorola, Inc. | Method and apparatus for reducing distortion in an output signal of an amplifier |
| US5870668A (en) | 1995-08-18 | 1999-02-09 | Fujitsu Limited | Amplifier having distortion compensation and base station for radio communication using the same |
| US5768699A (en) | 1995-10-20 | 1998-06-16 | Aml Communications, Inc. | Amplifier with detuned test signal cancellation for improved wide-band frequency response |
| US5796304A (en) | 1996-04-24 | 1998-08-18 | Powerwave Technologies, Inc. | Broadband amplifier with quadrature pilot signal |
| DE19650388A1 (de) | 1996-12-05 | 1998-06-18 | Bosch Gmbh Robert | Schaltung zur Linearisierung eines Verstärkers |
| US6256482B1 (en) * | 1997-04-07 | 2001-07-03 | Frederick H. Raab | Power- conserving drive-modulation method for envelope-elimination-and-restoration (EER) transmitters |
| US5874856A (en) | 1997-06-30 | 1999-02-23 | Motorola, Inc. | Feed forward amplifier |
| US5963091A (en) | 1998-04-01 | 1999-10-05 | Chen; Jiunn-Tsair | Article comprising a power amplifier with feed forward linearizer using a RLS parameter tracking algorithm |
| US6166600A (en) | 1998-08-31 | 2000-12-26 | Lucent Technologies Inc. | Automatic gain and phase controlled feedforward amplifier without pilot signal |
| US5926067A (en) | 1998-09-29 | 1999-07-20 | Lucent Technologies Inc. | Sweep pilot technique for a control system that reduces distortion produced by electrical circuits |
| EP1014564B1 (en) | 1998-12-14 | 2008-10-22 | Ntt Mobile Communications Network Inc. | Feedforward amplifier |
| US6236267B1 (en) * | 1998-12-29 | 2001-05-22 | International Business Machines Corporation | Linearization for power amplifiers using feed-forward and feedback control |
| US6340915B1 (en) | 2000-11-20 | 2002-01-22 | Soma Networks, Inc. | Feed forward amplifier |
| US6901108B2 (en) | 2001-05-04 | 2005-05-31 | Lucent Technologies Inc. | Apparatus and method for adaptive control |
| US6614298B2 (en) | 2001-08-13 | 2003-09-02 | Soma Networks, Inc. | Apparatus and method for controlling adaptive circuits |
-
2001
- 2001-12-17 US US10/016,691 patent/US6614298B2/en not_active Expired - Lifetime
-
2002
- 2002-08-12 CA CA002495113A patent/CA2495113A1/en not_active Abandoned
- 2002-08-12 JP JP2003521523A patent/JP4148892B2/ja not_active Expired - Fee Related
- 2002-08-12 EP EP02757076A patent/EP1476942A4/en not_active Withdrawn
- 2002-08-12 WO PCT/US2002/025557 patent/WO2003017553A2/en not_active Ceased
- 2002-08-12 MX MXPA04001433A patent/MXPA04001433A/es active IP Right Grant
- 2002-08-12 AU AU2002323115A patent/AU2002323115B2/en not_active Ceased
- 2002-08-12 US US10/486,792 patent/US7218172B2/en not_active Expired - Fee Related
-
2007
- 2007-04-11 US US11/734,103 patent/US7538632B2/en not_active Expired - Lifetime
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